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A regularized correction method for elliptic problems with a singular force
김혜현 대한수학회 2012 대한수학회지 Vol.49 No.5
An approximation of singular source terms in elliptic problems is developed and analyzed. Under certain assumptions on the curve where the singular source is defined, the second order convergence in the maximum norm can be proved. Numerical results present its better performance compared to previously developed regularization techniques.